Mapas de la Vía Láctea

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process, from the initial research and brainstorming sessions, through the design and testing ...

In this Spanish-translated script, travel back in time to when the Declaration of Independence was written. Students will act out the roles of the writers, experiencing the thoughts and feelings they had while creating this revolutionary document. This script includes roles written at various reading levels, allowing teachers to implement differentiation and English language learner strategies into their instruction. This feature allows teachers to assign each role based on their students' individual reading levels, encouraging everyone to get involved in the same activity. Whether students...

Este libro está principalmente destinado a los estudiantes de las diversas asignaturas del área de Mecánica de fluidos de la E.T.S. de Ingenieros Industriales de la UNED, aunque también puede ser de utilidad para otros estudiantes universitarios de ingeniería, especialmente en la etapa inicial en la que, después de haber estudiado los conceptos teóricos, se disponen a abordar los primeros ejercicios. Para la mayoría de los 224 problemas y ejercicios se proporcionan procedimientos de resolución detallados. En algunos casos se indican esquemáticamente los pasos a seguir y en otros se...

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Se desarrolla, paso a paso, el calculo de 26 problemas de navegacion astronomica, ortodromica y cinematica naval para el interesado en situarse durante la navegacion oceanica mediante las referencias que ofrecen para ello los astros del firmamento. Sin duda la "navegacion a la antigua" debe ofrecer al interesado diversion y entretenimiento y no ser una tecnica cotidiana de navegacion, pues para ello se ejecuta en la actualidad una sofisticada navegacion instrumental.Se corresponde el contenido del libro con el temario actual de las asignaturas de calculo y navegacion para aquellos marinos que ...